With a bit of time on their hands ahead of their Rugby World Cup semifinal with New Zealand at Twickenham on Saturday, South Africa dropped into Chelsea Football Club's training ground to have a look around.

Blues' star Diego Costa was on hand to welcome the Springboks to Cobham, though the 186cm striker was visibly shocked by the physical presences that greeted him out on the pitch.

Costa, a constant scourge of Premier League defenders, is not one to shy away from a battle, but we're not sure he'd fancy his chances against 206cm Springboks lock Lood de Jager ...